Helicone
Open-source logging and gateway for AI calls. Now part of Mintlify and in maintenance mode.
- Value
- Last disclosed raise of $1.5M (Apr 2023, per CB Insights). Acquisition price not disclosed
- Listed
- Private
An early open-source tool that many small teams used to log and track model calls.
It is no longer building new features, so teams using it need a plan to move.
Money coming in
Who pays Helicone, and for what.
No customers of Helicone mapped yet.
Money going out
Who Helicone pays to do what it does.
No suppliers of Helicone mapped yet.
Where it sits on the map
Competitors and neighbours
One API that sends requests to hundreds of AI models, billed in one place, with a small margin on each call.
Sacra estimate of about $50M annualised in early 2026. Company does not publish revenue
Open profileRuns a global network and an AI Gateway that routes and caches AI calls for apps, and bought Replicate in Dec 2025.
Open profileHosts web apps and runs AI Gateway, one endpoint for many model providers with no token markup.
About $340M run-rate (Apr 2026, reported)
Open profileAI gateway with monitoring, guardrails and cost controls, sitting between a company's apps and its models.
No figure found
Open profileFree open-source gateway that gives one code interface to many model providers, with a paid enterprise tier.
Seed round co-led by Y Combinator (reported)
Open profileModel router that picks the best model for each request to balance answer quality against cost.
$9M seed led by NEA (Nov 2023). No 2026 funding found
Open profileModel router that predicts which AI model will give the best answer for a prompt at the lowest cost.
About $2.3M raised in 2024, plus an undisclosed 2025 round from strategic investors including IBM and SAP.iO
Open profileSources: helicone.ai, ai-startups.dealroom.co
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